. >> pressure to prove that bin hassen was killed, especially now that there was no body. a significant amount of data at bin laden's compound. officials are digging through the documents searching for new leads about future attacks or any high-ranking members of al qaeda. so bin laden's death offered closure for 9/11 victims' families. tomorrow, the president travels to ground zero in new york to meet with those who lost loved ones that day. betty? >> it wasn't the only military option, correction? >> there were options, betty, less risky ones, in fact, like flying a bombing raid over the compound. the president rejected that plan. he wanted proof that bin laden was no longer a threat. >> thank you, joel. >>> pakistan's president acknowledges that security forces were less in the dark about the u.s. raid and had little to say about why bin laden was able to live among the elite. in an opinion piece, president abi adari wrote he was not anywhere we had anticipated he would be, but now he is gone. he said pakistan pays an enormous price for its stand against terrorism. many